WMHT-DT

Scientists explore glaciers, oceans and frozen frontiers to discover hidden worlds and clues to life beyond Earth.

A visit to the Maldives focuses on coral reefs and the urgent efforts to help them survive climate change.

Geoffrey Baer meets dancers, musicians, architects and writers in Havana and experiences the color, culture and history of the city.

The struggle for freedom by the ancestors of Maya Rudolph, Shonda Rhimes and Keenen Ivory Wayans.

Buster heads off to summer camp; Arthur is jealous of Buster's magic tricks.

Agents compete in Olympic-style games, with the winner being named Ms. O for the day.

Martin and Chris try to rescue a foal who is separated from his mother by a rogue wave.

The Hunters investigate a mysterious rain that happens with no clouds in the Indonesian rainforest.

Luke, Lyla and Everett test vacuums; Lyla makes cookies using substituted ingredients.

Carl and Sheldon are on a thank-you mission; Carl shows his friends the right way to play with pet rocks.

King Friday makes Daniel king for the day, and he learns that the most important part of the job is to be kind to his neighbors.

Phoebe and Jay learn how to sort items; Phoebe and Jay learn how to make food labels, so everyone can participate in the potluck.

Grover tries to cheer up Elmo, who is feeling sad after his dad leaves for a work trip.

The Wombats use a 3D printer to save Cake Day when Mr. E's cake table collapses; the Wombats create a pretend vacation to cheer up Buckley.

Duck enjoys "me time" at the beach; the pals like different things at Donkey's sleepover.

When Rosie and Javi find out Tia's bringing home a dragon, they anxiously prepare for its arrival; Rosie finds a lucky charm in her backyard, but soon her luck starts to change.

After a disagreement, Olive and Ari learn about how nature works, which helps them resolve their issue; the kids learn about meadows.

Alma tells all her friends that Howard is moving; Alma wonders if she should buy new materials for her recycled art project.

Molly finds a newt in her boot while exploring Wizard Island; Molly tries to return a rock to its rightful place.

Alvin Ailey shows Yadina that music and dance can help bring people together; Xavier learns that his imagination can keep him company when he feels lonely.

Luke, Lyla and Everett test vacuums; Lyla makes cookies using substituted ingredients.

Grover tries to cheer up Elmo, who is feeling sad after his dad leaves for a work trip.

Agents compete in Olympic-style games, with the winner being named Ms. O for the day.

Martin and Chris try to rescue a foal who is separated from his mother by a rogue wave.

The team witnesses a baby boom in the Delta; lioness Matho protects her cubs while the leopard Xudum reveals her newborns as danger looms nearby.

Hotter weather impacts the animals as the waterhole becomes busier as the night gets cooler, and nocturnal activity brings a new predator out of the shadows -- the elusive hyena.

A detailed look into news stories from around the world from the BBC news desk in Washington, D.C.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

Rick Steves celebrates the value of exploring the world as he captures the joys and rewards of travel with visits to Guatemala, Ethiopia, Palestine and Iran.

Guitarist Joe Bonamassa plays a tribute concert in honor of Rory Gallagher in Rory's hometown of Cork, Ireland.

An 1893 Dutch Colonial Revival home that will undergo an extensive renovation to accommodate its new owners' growing family.

Mark learns about adobe; Tom shares a miter trick; Jenn revisits a project.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Twenty-four hours a day, the latest national and international stories as they break.

Bill Moyers and Campbell discuss cultural heroes and heroic journeys that all people make.